基于jquery实现的树形菜单效果代码

2019-11-20 11:36:27

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本文实例讲述了基于jquery实现的树形菜单效果代码。分享给大家供大家参考。具体如下：

这是一款基于jquery实现的树形菜单代码，点击菜单项可以向下滑出对应的二级菜单，效果流畅自然。

先来看看运行效果截图：

在线演示地址如下：

http://demo.VeVB.COm/js/2015/jquery-tree-style-show-menu-codes/

具体代码如下：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>jquery的树形菜单代码 </title><style>body { font-family:"宋体"; font-size: 12px; line-height: 1.5em; color:#7FB0C8; padding:0; margin:0; background: #336699;}ul,ol,li,dl,dt,dd { margin:0; padding:0; list-style-type:none;}h1,h2,h3,form,input,iframe,span { margin:0; padding:0;} a { color:#7FB0C8;}a:link {color: #7FB0C8; TEXT-DECORATION: none;}a:visited {color: #7FB0C8; TEXT-DECORATION: none;}a:hover {color: #fff; TEXT-DECORATION: none;}.white { color:#fff;}.white a:link {color: #fff; TEXT-DECORATION: none;}.white a:visited {color: #fff; TEXT-DECORATION: none;}.white a:hover {color: #73E1F5; TEXT-DECORATION: none;}/* 树形菜单开始 */.close { float:right; clear:right; font-size:12px; font-weight:normal; cursor:pointer; padding-right:10px;}.title { font-size:14px; color:#fff; margin-bottom:10px; padding-left:5px; width:290px;}.menu { width:290px; height:330px; overflow-y:auto; overflow-x:hidden; margin-bottom:10px;}.menu { SCROLLBAR-FACE-COLOR: #002537; SCROLLBAR-HIGHLIGHT-COLOR: #002537; SCROLLBAR-SHADOW-COLOR: #0E6893; SCROLLBAR-3DLIGHT-COLOR: #0E6893; SCROLLBAR-ARROW-COLOR: #fff; SCROLLBAR-TRACK-COLOR: #053d58;SCROLLBAR-DARKSHADOW-COLOR: #002537; SCROLLBAR-BASE-COLOR: #01152a;}.l1 { background:#000; font-size:13px; padding:5px 0 0 30px; height:20px; margin-bottom:5px; cursor:pointer;}.slist { margin:0 0 5px 0; display:none;}.l2 { padding:0 0 0 35px; font-size:13px;}.l2 a { padding:6px 0 0 5px; width:230px; height:21px; display:block;} .currentl2 a,.l2 a:hover { background:#1E5A82; color:#fff;}.sslist { background:#156890; width:235px; overflow:hidden; margin:0 0 5px 35px; display:none;}.l3 a { padding:6px 0 0 5px; width:230px; height:20px; display:block;} .currentl3 a,.l3 a:hover { color:#fff; font-weight:bold;}</style><script type="text/javascript" src="jquery1.3.2.js"></script><script>// 树状菜单$(document).ready(function(){ $(".l1").toggle(function(){  $(".slist").animate({height: 'toggle', opacity: 'hide'}, "slow"); $(this).next(".slist").animate({height: 'toggle', opacity: 'toggle'}, "slow"); },function(){  $(".slist").animate({height: 'toggle', opacity: 'hide'}, "slow");   $(this).next(".slist").animate({height: 'toggle', opacity: 'toggle'}, "slow"); }); $(".l2").toggle(function(){ $(this).next(".sslist").animate({height: 'toggle', opacity: 'toggle'}, "slow"); },function(){   $(this).next(".sslist").animate({height: 'toggle', opacity: 'toggle'}, "slow"); }); $(".l2").click(function(){ $(".l3").removeClass("currentl3"); $(".l2").removeClass("currentl2"); $(this).addClass("currentl2"); });  $(".l3").click(function(){ $(".l3").removeClass("currentl3");    $(this).addClass("currentl3"); });  $(".close").toggle(function(){ $(".slist").animate({height: 'toggle', opacity: 'hide'}, "fast");  $(".sslist").animate({height: 'toggle', opacity: 'hide'}, "fast");   },function(){ $(".slist").animate({height: 'toggle', opacity: 'show'}, "fast");  $(".sslist").animate({height: 'toggle', opacity: 'show'}, "fast");  }); });</script></head><body><h1 class="title"><span class="close">全部收起/展开</span>树形菜单</h1><div class="menu"> <h1 class="l1">一级菜单1</h1> <div class="slist"> <h2 class="l2"><a href="javascript:function()">二级菜单1</a></h2> <ul class="sslist"> <li class="l3"><a href="javascript:function()">・三级菜单1</a></li> <li class="l3"><a href="javascript:function()">・三级菜单1</a></li> <li class="l3"><a href="javascript:function()">・三级菜单1</a></li> <li class="l3"><a href="javascript:function()">・三级菜单1</a></li> </ul> <h2 class="l2"><a href="javascript:function()">二级菜单2</a></h2> <ul class="sslist"> <li class="l3"><a href="javascript:function()">・三级菜单2</a></li> <li class="l3"><a href="javascript:function()">・三级菜单2</a></li> <li class="l3"><a href="javascript:function()">・三级菜单2</a></li> <li class="l3"><a href="javascript:function()">・三级菜单2</a></li> </ul> <h2 class="l2"><a href="javascript:function()">二级菜单3</a></h2> </div> <h1 class="l1">一级菜单2</h1> <div class="slist"> <h2 class="l2"><a href="javascript:function()">二级菜单2</a></h2> <h2 class="l2"><a href="javascript:function()">二级菜单2</a></h2> <h2 class="l2"><a href="javascript:function()">二级菜单2</a></h2> </div> <h1 class="l1">一级菜单3</h1> <div class="slist"> <h2 class="l2"><a href="javascript:function()">二级菜单3</a></h2> <h2 class="l2"><a href="javascript:function()">二级菜单3</a></h2> <h2 class="l2"><a href="javascript:function()">二级菜单3</a></h2> </div></div></body></html>

希望本文所述对大家的jquery程序设计有所帮助。

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